CN104155078A - Adjustable driving system for underwater navigation body in water tunnel experiment - Google Patents
Adjustable driving system for underwater navigation body in water tunnel experiment Download PDFInfo
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- CN104155078A CN104155078A CN201410319268.1A CN201410319268A CN104155078A CN 104155078 A CN104155078 A CN 104155078A CN 201410319268 A CN201410319268 A CN 201410319268A CN 104155078 A CN104155078 A CN 104155078A
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Abstract
The invention relates to a driving system for an underwater navigation body with multiple degrees of freedom in a water tunnel experiment, and belongs to the technical field of water resources and hydropower engineering as well as marine ship and underwater navigation device engineering. The driving system comprises a navigation body experimental model, a bracket system and a power unit; the system can realize overall pitching movement, can ensure accuracy rotation movement of a cavitation device and a tail wing, and can realize changing in rotation speed of the whole body, the cavitation device and the tail wing.
Description
Technical field
The present invention relates to multiple degrees of freedom underwater sailing body drive system for the experiment of a kind of water hole, belong to Hydraulic and Hydro-Power Engineering, marine ship and submarine navigation device field of engineering technology.
Background technology
Aircraft field of engineering technology under water, supercavitating vehicle is a kind of new-type Tres Haute Vitesse. Ammunition, it is that to take the physical characteristics of supercavitation be foundational development development.Be different from conventional aircraft, its most surfaces is wrapped up by supercavity, only has head to contact with water with afterbody part wetted surface, and its stroke resistance reduces greatly.So underwater sailing body wants to reach nature supercavity, need the very high speed of a ship or plane, in order also to reach the object that cavity wraps up whole sail body surface under relatively low speed, researcher passes into gas to sail body surface artificially, form ventilation supercavity, reach velocity increased by resistance reduction effect.Yet, sail body surface is most of by gas wrapping, cause the original stress balance of sail body to change, it is in motion process, any little disturbance (as disturbance, ocean current and the wave etc. in when transmitting) all can make sail body afterbody and cavity vapour (gas) water termination that the continuous cycle occurs to collide, the stability of sail body structure and reliability are had to deathblow.Moreover the deadly defect of active service supercavitating vehicle is do not guide function and can only do depthkeeping line navigation, fighting efficiency is very limited.Therefore, cavity metamorphosis in understanding supercavitating vehicle turning motion process and the analysis of corresponding fluids kinematic behavior are the bases of supercavitating vehicle control and the Structural Design, also be can be motor-driven the gordian technique place of supercavitating vehicle design, to developing long-range guidance supercavity weapon future, have great significance.
At present to the research work of supercavitating vehicle mostly based on carrying out under stationary body, dynamically aspect is also is mostly that numerical evaluation based on whole is carried out, and sail body motion process cavitation device and empennage deflection are rarely had and related to the research of its hydrodynamic force impact.
Summary of the invention
The object of the invention is the deficiency for existing research means, a kind of adjustable drive system of sail body that can be used for water tunnel test is provided, when this system can realize integral pitch motion, can also guarantee that cavitation device and empennage accurately rotatablely move; And can realize the change of the rotational speed of integral body, cavitation device and empennage.
The object of the invention is to be achieved through the following technical solutions.
The adjustable drive system of underwater sailing body for water tunnel test, comprises sail body test model, mounting system and propulsion system;
Described sail body test model comprises cavitation device, revolute pair connecting link, kuppe, cone shell of column, empennage, empennage support bar, power transmission line fixed pin, empennage connecting pin and empennage fixed pin;
Described cavitation device is tapered disk, and on conehead roundlet end face, symmetry is offered two through holes;
Described revolute pair connecting link is comprised of base, connecting link and a set of bolt and nut; Base is " protruding " type structure, offers a through hole on " protruding " type end cavetto and side; Connecting link is " recessed " shape structure, on two sidewalls of symmetry, offers respectively a through hole, and the through hole of offering on two through holes and base is on same straight line; In " recessed " shape structure center of underside, stretch out a screw thread straight-bar;
Described kuppe is tapered disk, and it puts sky from large round end surface along axis direction 5/6; Roundlet end face center has a threaded hole, and centered by threaded hole, symmetry is offered two through holes, and mate with two through holes of cavitation device the size of through hole, position;
Described cone shell of column leading portion is conical, and head is tack, and back segment is hollow cylinder; Front intersegmental part is put sky from bottom to head along axis direction 17/18; Tack face center has a threaded hole, and centered by threaded hole, symmetry is offered two through holes; Hole on threaded hole, two through hole and kuppe matches; Conical side face is evenly offered some apertures, is convenient to ventilation; Back segment is hollow cylinder, wherein away from inside, conical one end, offers screw thread;
Described empennage is the straight triangular prisms of isosceles, is divided into big or small two parts; The isosceles side of winglet has a unthreaded hole, and for connecting empennage fixed pin, another isosceles side has countersunk head threaded hole; The diameter of countersunk head threaded hole is less than the diameter of empennage fixed pin, and unthreaded hole communicates and dead in line with threaded hole; On threaded hole both sides, have a unthreaded hole; Between two unthreaded holes, separately offer a threaded hole; In bottom surface near having a rectangular channel for connecting the winglet unthreaded hole place of empennage fixed pin; A threaded hole is offered in the non-isosceles side of winglet, and threaded hole is connected with rectangular channel; The isosceles side of the large wing has two unthreaded holes, has a countersunk head tapped through hole between unthreaded hole, and unthreaded hole and threaded hole and winglet match;
Empennage can be also folding wings for the straight wing.
Described empennage support bar is part hollow circular cylinder, at right cylinder end surface symmetric, two through holes is set; Cylinder diameter divides two-stage to change vertically, according to diameter order from small to large, is defined as successively one-level bar and secondary bar; One-level bar is hollow external thread rod; Secondary bar is part hollow circular cylinder, side face with two symmetrical through hole circle center line connecting vertical direction vertically symmetry cut out two rectangle planes; The geometric center place of rectangle plane has through hole, for connecting empennage fixed pin; On rectangle plane, between through hole and the one end away from one-level bar, be fixed with two " L-type " draw-in grooves, two inner upper and lower symmetric positions of draw-in groove have through hole, for stationary power drive line; Secondary bar not connected component between right cylinder interior bone and the one end away from one-level bar; On connected component, symmetry is not offered two holes, and one is that one of threaded hole is through hole.
Described empennage fixed pin is cylindrical straight-bar, and two ends have threaded hole, and side face is near the upper and lower symmetric position in end along having a threaded hole on cylindrical straight rod axis, and the threaded hole on the non-isosceles side of this threaded hole and winglet matches;
Described empennage connecting pin is standard component pin, two ends cavetto;
Described power transmission line fixed pin is cylinder type hollow straight-bar;
Described mounting system comprises power transmission line fixed bar, suspension pole, power transmission line fixed-wing, pallet and long supporting plate, short supporting plate;
Described power transmission line fixed bar is eccentric hollow cylindrical straight-bar, and its body diameter divides Pyatyi to change vertically, according to diameter order from small to large, is defined as successively one-level bar, secondary bar, three grades of bars and level Four bar; Wherein three grades of bars are divided into two parts, lay respectively at level Four bar both sides; One-level masthead end is offered threaded hole, and threaded hole and eccentric through-hole are arranged symmetrically with; Four long thin hollow sleeve are evenly fixed in level Four bar side; In three grades of bars, away from the part of one-level bar, end face is evenly arranged four threaded holes, is that eccentric through-hole coaxially stretches out a cannulated threaded bar in place, and hollow diameters is directly consistent with eccentric through-hole;
Described suspension pole is an end disc, and disk eccentric position has a through hole, and the diameter of through hole is greater than the diameter of hollow threaded rod on power transmission line fixed bar; On disk, evenly have four threaded holes; The other end is square straight plate, on straight plate, has a through hole; Near between the first two through hole of disk, fix a base, the structure of base is identical with revolute pair connecting link base, for connecting power transmission line fixed-wing;
Described power transmission line fixed-wing is naca series aerofoil profile, and aerofoil profile end face has a through hole, wherein corresponding with the hole on suspension pole away from 6 holes of aerofoil profile leading edge; Be to stretch out the square connecting link of a groove between two through holes of suspension pole base same position, connecting link connects suspension pole by bolt and nut; Symmetrical place offers threaded hole with the square connecting link of groove;
Described pallet divides upper and lower two parts, and upper part is positioned at experimental section inside, and integral body is discoid, and center has aerofoil profile groove, has a tapped through hole in groove, and the position of threaded hole is corresponding with the threaded hole on power transmission line fixed-wing; Aerofoil profile groove symmetria bilateralis has four threaded holes; Lower part is positioned at experimental section outside, and lower partial tray center has rectangular channel and two threaded holes; Centered by rectangular channel, symmetry is offered four threaded holes, and four threaded holes are corresponding with the threaded hole position of upper part;
Described propulsion system comprise stepper motor, speed reduction unit and power transmission line;
Described power transmission line is flexible steel wire, outside with plastic jacket.
Annexation: revolute pair connecting link base square end is fixed on cavitation device roundlet end face center, " protruding " type end is connected with connecting link " groove " by bolt and nut, connecting link screw thread straight-bar is connected kuppe successively with cone shell of column, guarantee that the symmetrical through hole of offering on cavitation device, kuppe and cone shell of column is positioned on straight line during installation; In two through holes offering on the one-level burr face of two power transmission line fixed pin partial insertion empennage support bars; The one-level bar of empennage support bar is connected with cone shell of column back segment by screw thread; Empennage fixed pin inserts the through hole of offering in the rectangle plane cutting out on empennage support bar, guarantees that two threaded holes offering on the identical and side face of two ends extension are positioned at top and the bottom during installation; Two ends extension is connected with the unthreaded hole coaxial with threaded hole of offering on the winglet of empennage respectively, locked by screw, prevents that winglet from empennage fixed pin, relative translation occurring; The threaded hole that winglet rectangle sides is offered is connected with empennage fixed pin by screw, prevents that winglet and empennage fixed pin from relatively rotating; Half of two empennage connecting pins inserted respectively in the unthreaded hole that two sizes offering on winglet are less, another part inserts in two unthreaded holes that large wing life offers, prevent that winglet and the large wing from relatively rotating, then by screw, winglet is locked with the large wing, prevent that both from relative translation occurring; The threaded hole that power transmission line fixed bar one-level bar part is not offered on connected component by screw and empennage support bar inside is fixed, and in three grades of bars, away from one-level bar, partly by screw, is connected with suspension pole plate-like face; The square connecting link of groove stretching out on power transmission line fixed-wing is undertaken hinged by the base of offering on the square straight plate in a set of bolt and nut and suspension pole; Power transmission line fixed-wing is offered in screw thread nose end loading test intersegmental part pallet, by screw and water hole experimental section lower panel, fixes; Experimental section inner tray and outer trays are fixed by screws on the experimental section lower panel of water hole, guarantee that 7 holes that power transmission line fixed-wing is offered are positioned in experimental section outer trays to offer rectangular channel during installation; Long supporting plate is vertically fixed in experimental section outer trays by screw, and short supporting plate is horizontally fixed on long supporting plate; Speed reduction unit and motor are arranged on respectively on short supporting plate after fixing by screw.
Speed reduction unit is used for reducing rotating speed and increases torque, and motor is for driving the motion of sail body model.
On every machine shaft, be wound around two power transmission lines, winding direction is contrary, six roots of sensation drive line is through 6 logical size through holes offering on experimental section outer trays rectangular channel, water hole experimental section lower panel, the wing groove of experimental section inner tray and power transmission line fixed-wing, wherein two connection suspension poles, control the mass motion of sail body model, another four through four long thin sleeves fixing on the through hole of offering on suspension pole and power transmission line fixed bar level Four bar, wherein two through the rectangular channel of offering on two through holes offering on two " L " shape draw-in grooves in empennage support bar and winglet, with for there is the screw of relative translation between fixing winglet and empennage fixed pin, be connected, control the motion of empennage, remaining two are passed two through holes offering on empennage support bar end face again, power transmission line fixed pin, two through holes that two through holes that cone shell of column end face is offered and kuppe end face are offered, be connected with cavitation device, control the motion of cavitation device.
The course of work:
The motion of cavitation device: starter motor, machine shaft will drive two power transmission line motions of the opposite direction being wound around on it, and power transmission line connects cavitation device, realizes the motion of cavitation device by the degree of tightness of power transmission line;
The motion of empennage: start another motor, machine shaft will drive two power transmission line motions of the opposite direction being wound around on it, power transmission line connects the winglet in empennage, and the degree of tightness by power transmission line drives winglet to move, and then realizes the motion of whole empennage;
Sail body model mass motion: start the 3rd motor, machine shaft will drive two power transmission line motions of the opposite direction being wound around on it, power transmission line connects suspension pole, degree of tightness by power transmission line drives suspension pole to carry out luffing, and suspension pole drives whole sail body model to move by power transmission line fixed bar.
Beneficial effect
1, a kind of water tunnel test adjustable drive system of underwater sailing body of the present invention, experimental provision is simple in structure, is easy to dismounting, guarantees to complete and test and obtain experimental data efficiently, quickly.
2, a kind of water tunnel test adjustable drive system of underwater sailing body of the present invention, saves space, cheap, saves the energy, is applicable to the research of small-scale underwater vehicle body Model oscillation experiment.
3, a kind of water tunnel test adjustable drive system of underwater sailing body of the present invention, realizes power by stepper motor and exports, thereby can quantitatively accurately control the movement velocity of sail body model all parts.
4, a kind of water tunnel test adjustable drive system of underwater sailing body of the present invention, because different Electric Machine Control can realize sail body model all parts synchronously or different motion.
Accompanying drawing explanation
Fig. 1 is the adjustable drive system assembling of underwater sailing body of the present invention schematic perspective view;
Fig. 2 is sail body Model Mounting figure of the present invention;
Fig. 3 is sail body model cavitation device front elevation of the present invention and left view;
Fig. 4 is the secondary connecting link base right view of sail body model rotation of the present invention and front elevation;
Fig. 5 is the secondary connecting link front elevation of sail body model rotation of the present invention and vertical view;
Fig. 6 is sail body model kuppe front elevation of the present invention and left view;
Fig. 7 is sail body model cone shell of column front elevation of the present invention;
Fig. 8 is sail body model cone shell of column left view of the present invention and right view;
Fig. 9 is sail body model empennage winglet right view of the present invention, upward view, front elevation and vertical view;
Figure 10 is the large wing upward view of sail body model empennage of the present invention, front elevation and vertical view;
Figure 11 is sail body model empennage support bar front elevation of the present invention;
Figure 12 is sail body model empennage support bar left view of the present invention and right view
Figure 13 is sail body model empennage fixed pin vertical view of the present invention, front elevation, upward view and left view;
Figure 14 is mounting system power transmission line fixed bar front elevation of the present invention;
Figure 15 is mounting system power transmission line fixed bar left view of the present invention and right view;
Figure 16 is mounting system suspension pole upward view of the present invention and front elevation;
Figure 17 is mounting system suspension pole left view of the present invention and right view;
Figure 18 is mounting system power transmission line fixed-wing front elevation of the present invention and left view;
Figure 19 is mounting system power transmission line fixed-wing upward view of the present invention and vertical view;
Figure 20 is mounting system experimental section inner tray front elevation of the present invention;
Figure 21 is mounting system experimental section inner tray vertical view of the present invention and upward view;
Figure 22 is mounting system experimental section outer trays front elevation of the present invention;
Figure 23 is mounting system experimental section outer trays vertical view of the present invention;
Figure 24 is the long supporting plate front elevation of mounting system of the present invention and left view;
Figure 25 is the short supporting plate front elevation of mounting system of the present invention and and vertical view.
Wherein, 1-cavitation device, 2-revolute pair connecting link, 3-kuppe, 4-cone shell of column, 5-empennage, 6-empennage support bar, 7-power transmission line fixed bar, 8-suspension pole, 9-power transmission line fixed-wing, 10-pallet, 11-water hole experimental section lower panel, 12-long supporting plate, 13-short supporting plate, 14-speed reduction unit, 15-motor, 16-power transmission line, 17-power transmission line fixed pin, 18-empennage connecting pin, 19-empennage fixed pin.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in detail.
Embodiment 1
The adjustable drive system of underwater sailing body for water tunnel test, comprises sail body test model, mounting system and propulsion system, as shown in Figure 1;
Described sail body test model comprises cavitation device 1, revolute pair connecting link 2, kuppe 3, cone shell of column 4, empennage 5, empennage support bar 6, power transmission line fixed pin 17, empennage connecting pin 18 and empennage fixed pin 19, as shown in Figure 2;
Described cavitation device 1 is tapered disk, and on conehead roundlet end face, symmetry is offered two through holes, as shown in Figure 3;
Described revolute pair connecting link 2 is comprised of base, connecting link and a set of bolt and nut; Base is " protruding " type structure, offers a through hole, as shown in Figure 4 on " protruding " type end cavetto and side; Connecting link is " recessed " shape structure, on two sidewalls of symmetry, offers respectively a through hole, and the through hole of offering on two through holes and base is on same straight line; In " recessed " shape structure center of underside, stretch out a screw thread straight-bar, as shown in Figure 5;
Described kuppe 3 is tapered disk, and it puts sky from large round end surface along axis direction 5/6; Roundlet end face center has a threaded hole, and centered by threaded hole, symmetry is offered two through holes, and mate with two through holes of cavitation device 1 size of through hole, position, as shown in Figure 6;
Described cone shell of column 4 leading portions are conical, and head is tack, and back segment is hollow cylinder; Front intersegmental part is put sky from bottom to head along axis direction 17/18; Tack face center has a threaded hole, and centered by threaded hole, symmetry is offered two through holes; Hole on threaded hole, two through hole and kuppe 3 matches; Conical side face is evenly offered some apertures, is convenient to ventilation; Back segment is hollow cylinder, wherein away from inside, conical one end, offers screw thread; As shown in Figure 7, Figure 8;
Described empennage 5 is the straight triangular prisms of isosceles, is divided into big or small two parts; The isosceles side of winglet has a unthreaded hole, and for connecting empennage fixed pin 19, another isosceles side has countersunk head threaded hole; The diameter of countersunk head threaded hole is less than the diameter of empennage fixed pin 19, and unthreaded hole communicates and dead in line with threaded hole; On threaded hole both sides, have a unthreaded hole; Between two unthreaded holes, separately offer a threaded hole; In bottom surface near having a rectangular channel for connecting the winglet unthreaded hole place of empennage fixed pin 19; A threaded hole is offered in the non-isosceles side of winglet, and threaded hole is connected with rectangular channel, as shown in Fig. 2, Fig. 9; The isosceles side of the large wing has two unthreaded holes, has a countersunk head tapped through hole between unthreaded hole, and unthreaded hole and threaded hole and winglet match, as shown in figure 10;
Empennage 5 can be also folding wings for the straight wing.
Described empennage support bar 6 is part hollow circular cylinder, at right cylinder end surface symmetric, two through holes is set; Cylinder diameter divides two-stage to change vertically, according to diameter order from small to large, is defined as successively one-level bar and secondary bar; One-level bar is hollow external thread rod; Secondary bar is part hollow circular cylinder, side face with two symmetrical through hole circle center line connecting vertical direction vertically symmetry cut out two rectangle planes; The geometric center place of rectangle plane has through hole, for connecting empennage fixed pin 19; On rectangle plane, between through hole and the one end away from one-level bar, be fixed with two " L-type " draw-in grooves, two inner upper and lower symmetric positions of draw-in groove have through hole, for stationary power drive line 16, as shown in Figure 11, Figure 12; Secondary bar not connected component between right cylinder interior bone and the one end away from one-level bar; On connected component, symmetry is not offered two holes, and one is that one of threaded hole is through hole.
Described empennage fixed pin 19 is cylindrical straight-bar, two ends have threaded hole, side face is near the upper and lower symmetric position in end along having a threaded hole on cylindrical straight rod axis, the threaded hole on the non-isosceles side of this threaded hole and winglet matches, as shown in figure 13;
Described empennage connecting pin 18 is standard component pin, two ends cavetto;
Described power transmission line fixed pin 17 is cylinder type hollow straight-bar;
Described mounting system comprises power transmission line fixed bar 7, suspension pole 8, power transmission line fixed-wing 9, pallet 10 and long supporting plate 12, short supporting plate 13;
Described power transmission line fixed bar 7 is eccentric hollow cylindrical straight-bar, and its body diameter divides Pyatyi to change vertically, according to diameter order from small to large, is defined as successively one-level bar, secondary bar, three grades of bars and level Four bar; Wherein three grades of bars are divided into two parts, lay respectively at level Four bar both sides; One-level masthead end is offered threaded hole, and threaded hole and eccentric through-hole are arranged symmetrically with; Four long thin hollow sleeve are evenly fixed in level Four bar side; In three grades of bars, away from the part of one-level bar, end face is evenly arranged four threaded holes, is that eccentric through-hole coaxially stretches out a cannulated threaded bar in place, and hollow diameters is directly consistent with eccentric through-hole, as shown in Figure 15, Figure 16;
Described suspension pole 8 is an end disc, and disk eccentric position has a through hole, and the diameter of through hole is greater than the diameter of hollow threaded rod on power transmission line fixed bar 7; On disk, evenly have four threaded holes; The other end is square straight plate, on straight plate, has 6 through holes; Near between the first two through hole of disk, fix a base, the structure of base is identical with revolute pair connecting link base, for connecting power transmission line fixed-wing 9, as shown in Figure 17, Figure 18;
Described power transmission line fixed-wing 9 is naca series aerofoil profile, and aerofoil profile end face has 7 through holes, wherein corresponding with the hole on suspension pole 8 away from 6 holes of aerofoil profile leading edge; Be to stretch out the square connecting link of a groove between two through holes of suspension pole 8 base same positions, connecting link connects suspension pole 8 by bolt and nut; Symmetrical place offers threaded hole with the square connecting link of groove; As shown in Figure 19, Figure 20;
10 minutes upper and lower two parts of described pallet, upper part is positioned at experimental section inside, and integral body is discoid, and center has aerofoil profile groove, has a tapped through hole in groove, and the position of threaded hole is corresponding with the threaded hole on power transmission line fixed-wing 9; Aerofoil profile groove symmetria bilateralis has four threaded holes, as shown in Figure 21, Figure 22; Lower part is positioned at experimental section outside, and lower partial tray center has rectangular channel and two threaded holes; Centered by rectangular channel, symmetry is offered four threaded holes, and four threaded holes are corresponding with the threaded hole position of upper part, as shown in Figure 23, Figure 24;
Described propulsion system comprise stepper motor, speed reduction unit and power transmission line;
Described power transmission line is flexible steel wire, outside with plastic jacket.
Annexation:
Revolute pair connecting link 2 base square end are fixed on cavitation device 1 roundlet end face center, " protruding " type end is connected with connecting link " groove " by bolt and nut, connecting link screw thread straight-bar is connected kuppe 3 successively with cone shell of column 4, guarantee that the symmetrical through hole of offering on cavitation device 1, kuppe 3 and cone shell of column 4 is positioned on straight line during installation; In two through holes offering on the one-level burr face of two power transmission line fixed pin 17 partial insertion empennage support bars 6; The one-level bar of empennage support bar 6 is connected with cone shell of column back segment by screw thread; Empennage fixed pin 19 inserts the through hole of offering in the rectangle plane cutting out on empennage support bars 6, guarantees that two threaded holes offering on the identical and side face of two ends extension are positioned at top and the bottom during installation; Two ends extension is connected with the unthreaded hole coaxial with threaded hole of offering on the winglet of empennage 5 respectively, locked by screw, prevents that winglet and empennage fixed pin 19 from relative translation occurring; The threaded hole that winglet rectangle sides is offered is connected with empennage fixed pin 19 by screw, prevents that winglet and empennage fixed pin 19 from relatively rotating; Half of two empennage connecting pins 18 inserted respectively in the unthreaded hole that two sizes offering on winglet are less, another part inserts in two unthreaded holes that large wing life offers, prevent that winglet and the large wing from relatively rotating, then by screw, winglet is locked with the large wing, prevent that both from relative translation occurring; The threaded hole that power transmission line fixed bar 7 one-level bars parts are not offered on connected component by screw and empennage support bar 6 inside is fixed, and in three grades of bars, away from one-level bar, partly by screw, is connected with suspension pole 8 plate-like faces; The square connecting link of groove stretching out on power transmission line fixed-wing 9 is undertaken hinged by the base of offering on the square straight plate in a set of bolt and nut and suspension pole 8, bolt is with reference to GB/T5782-2000, according to suspension pole threaded hole diameter, choose, nut is chosen according to bolt; Power transmission line fixed-wing 9 is offered in screw thread nose end loading test intersegmental part pallet 10, fixing by screw and water hole experimental section lower panel 11; Experimental section inner tray and outer trays are fixed by screws on water hole experimental section lower panel 11, guarantee that 7 holes that power transmission line fixed-wing 9 is offered are positioned in experimental section outer trays to offer rectangular channel during installation; Long supporting plate 12 is vertically fixed in experimental section outer trays 10 by screw, and three blocks of short supporting plates 13 are horizontally fixed on long supporting plate 12; Speed reduction unit 14 is arranged on respectively on three blocks of short supporting plates 13 after fixing by screw with motor 15, speed reduction unit 14 models are LINIX60JB20, be used for reducing rotating speed and increase torque, motor 15 models are LINIX57BYGHD451-03A, for driving the motion of sail body model.
Cabling: be wound around two power transmission lines 16 on every machine shaft, winding direction is contrary, six roots of sensation drive line is through 6 logical size through holes offering on experimental section outer trays rectangular channel, water hole experimental section lower panel, the wing groove of experimental section inner tray and power transmission line fixed-wing 9, wherein two connection suspension poles 8, control the mass motion of sail body model, another four through four long thin sleeves fixing on the through hole of offering on suspension pole 8 and power transmission line fixed bar 7 level Four bars, wherein two through the rectangular channel of offering on two through holes offering on two " L " shape draw-in grooves in empennage support bar 6 and winglet, with for there is the screw of relative translation between fixing winglet and empennage fixed pin 19, be connected, control the motion of empennage, remaining two are passed two through holes offering on empennage support bar 6 end faces again, power transmission line fixed pin 17, two through holes that two through holes that cone shell of column 4 end faces are offered and kuppe 3 end faces are offered, be connected with cavitation device 1, control the motion of cavitation device 1.
The course of work:
The motion of cavitation device 1: starter motor 15, machine shaft will drive two power transmission lines, 16 motions of the opposite direction being wound around on it, and power transmission line 16 connects cavitation device 1, realizes the motion of cavitation device 1 by the degree of tightness of power transmission line 16;
The motion of empennage 5: start another motor 15, machine shaft will drive two power transmission lines, 16 motions of the opposite direction being wound around on it, power transmission line 16 connects the winglet in empennages 5, and the degree of tightness by power transmission line 16 drives winglet to move, and then realizes the motion of whole empennage;
Sail body model mass motion: start the 3rd motor 15, machine shaft will drive two power transmission lines, 16 motions of the opposite direction being wound around on it, power transmission line 16 connects suspension pole 8, degree of tightness by power transmission line 16 drives suspension pole 8 to carry out luffing, and suspension pole 8 drives whole sail body model to move by power transmission line fixed bar 7.
Finally it should be noted that, above only in order to technical scheme of the present invention to be described, those of ordinary skill in the art can modify or be equal to replacement technical scheme of the present invention.Protection scope of the present invention allly makes an amendment, be equal within the spirit and principles in the present invention replacement, improvement etc., within all should be included in.
Claims (7)
1. the adjustable drive system of underwater sailing body for water tunnel test, is characterized in that: comprise sail body test model, mounting system and propulsion system;
Described sail body test model comprises cavitation device (1), revolute pair connecting link (2), kuppe (3), cone shell of column (4), empennage (5), empennage support bar (6), power transmission line fixed pin (17), empennage connecting pin (18) and empennage fixed pin (19);
Described cavitation device (1) is tapered disk, and on conehead roundlet end face, symmetry is offered two through holes;
Described revolute pair connecting link (2) is comprised of base, connecting link and a set of bolt and nut; Base is " protruding " type structure, offers a through hole on " protruding " type end cavetto and side; Connecting link is " recessed " shape structure, on two sidewalls of symmetry, offers respectively a through hole, and the through hole of offering on two through holes and base is on same straight line; In " recessed " shape structure center of underside, stretch out a screw thread straight-bar;
Described kuppe (3) is tapered disk, and it puts sky from large round end surface along axis direction 5/6; Roundlet end face center has a threaded hole, and centered by threaded hole, symmetry is offered two through holes, and mate with two through holes of cavitation device (1) size of through hole, position;
Described cone shell of column (4) leading portion is conical, and head is tack, and back segment is hollow cylinder; Front intersegmental part is put sky from bottom to head along axis direction 17/18; Tack face center has a threaded hole, and centered by threaded hole, symmetry is offered two through holes; Hole on threaded hole, two through hole and kuppe (3) matches; Conical side face is evenly offered some apertures, is convenient to ventilation; Back segment is hollow cylinder, wherein away from inside, conical one end, offers screw thread;
Described empennage (5) is the straight triangular prisms of isosceles, is divided into big or small two parts; The isosceles side of winglet has a unthreaded hole, and for connecting empennage fixed pin (19), another isosceles side has countersunk head threaded hole; The diameter of countersunk head threaded hole is less than the diameter of empennage fixed pin (19), and unthreaded hole communicates and dead in line with threaded hole; On threaded hole both sides, have a unthreaded hole; Between two unthreaded holes, separately offer a threaded hole; In bottom surface near having a rectangular channel for connecting the winglet unthreaded hole place of empennage fixed pin (19); A threaded hole is offered in the non-isosceles side of winglet, and threaded hole is connected with rectangular channel; The isosceles side of the large wing has two unthreaded holes, has a countersunk head tapped through hole between unthreaded hole, and unthreaded hole and threaded hole and winglet match;
Described empennage support bar (6) is part hollow circular cylinder, at right cylinder end surface symmetric, two through holes is set; Cylinder diameter divides two-stage to change vertically, according to diameter order from small to large, is defined as successively one-level bar and secondary bar; One-level bar is hollow external thread rod; Secondary bar is part hollow circular cylinder, side face with two symmetrical through hole circle center line connecting vertical direction vertically symmetry cut out two rectangle planes; The geometric center place of rectangle plane has through hole, for connecting empennage fixed pin (19); On rectangle plane, between through hole and the one end away from one-level bar, be fixed with two " L-type " draw-in grooves, two inner upper and lower symmetric positions of draw-in groove have through hole, for stationary power drive line (16); Secondary bar not connected component between right cylinder interior bone and the one end away from one-level bar; On connected component, symmetry is not offered two holes, and one is that one of threaded hole is through hole;
Described empennage fixed pin (19) is cylindrical straight-bar, two ends have threaded hole, side face is near the upper and lower symmetric position in end along having a threaded hole on cylindrical straight rod axis, the threaded hole on the non-isosceles side of this threaded hole and winglet matches;
Described mounting system comprises power transmission line fixed bar (7), suspension pole (8), power transmission line fixed-wing (9), pallet (10) and long supporting plate (12), short supporting plate (13);
Described power transmission line fixed bar (7) is eccentric hollow cylindrical straight-bar, and its body diameter divides Pyatyi to change vertically, according to diameter order from small to large, is defined as successively one-level bar, secondary bar, three grades of bars and level Four bar; Wherein three grades of bars are divided into two parts, lay respectively at level Four bar both sides; One-level masthead end is offered threaded hole, and threaded hole and eccentric through-hole are arranged symmetrically with; Four long thin hollow sleeve are evenly fixed in level Four bar side; In three grades of bars, away from the part of one-level bar, end face is evenly arranged four threaded holes, is that eccentric through-hole coaxially stretches out a cannulated threaded bar in place, and hollow diameters is directly consistent with eccentric through-hole;
Described suspension pole (8) is an end disc, and disk eccentric position has a through hole, and the diameter of through hole is greater than the diameter of the upper hollow threaded rod of power transmission line fixed bar (7); On disk, evenly have four threaded holes; The other end is square straight plate, on straight plate, has 6 through holes; Near between the first two through hole of disk, fix a base, the structure of base is identical with revolute pair connecting link base, for connecting power transmission line fixed-wing 9;
Described power transmission line fixed-wing (9) is naca series aerofoil profile, and aerofoil profile end face has (7) individual through hole, wherein corresponding with the hole on suspension pole (8) away from 6 holes of aerofoil profile leading edge; Be to stretch out the square connecting link of a groove between two through holes of suspension pole (8) base same position, connecting link connects suspension pole (8) by bolt and nut; Symmetrical place offers threaded hole with the square connecting link of groove;
Described pallet (10) minute upper and lower two parts, upper part is positioned at experimental section inside, and integral body is discoid, and center has aerofoil profile groove, has a tapped through hole in groove, and the position of threaded hole is corresponding with the threaded hole on power transmission line fixed-wing (9); Aerofoil profile groove symmetria bilateralis has four threaded holes; Lower part is positioned at experimental section outside, and lower partial tray center has rectangular channel and two threaded holes; Centered by rectangular channel, symmetry is offered four threaded holes, and four threaded holes are corresponding with the threaded hole position of upper part;
Annexation: revolute pair connecting link (2) base square end is fixed on cavitation device (1) roundlet end face center, " protruding " type end is connected with connecting link " groove " by bolt and nut, connecting link screw thread straight-bar is connected kuppe (3) successively with cone shell of column (4), guarantee that the symmetrical through hole of offering on cavitation device (1), kuppe (3) and cone shell of column (4) is positioned on straight line during installation; In two through holes offering on the one-level burr face of two power transmission line fixed pins (17) partial insertion empennage support bars (6); The one-level bar of empennage support bar (6) is connected with cone shell of column back segment by screw thread; Empennage fixed pin (19) inserts the through hole of offering in the rectangle plane cutting out on empennage support bar (6), guarantees that two threaded holes offering on the identical and side face of two ends extension are positioned at top and the bottom during installation; Two ends extension is connected with the unthreaded hole coaxial with threaded hole of offering on the winglet of empennage (5) respectively, locked by screw, prevents that winglet from empennage fixed pin (19), relative translation occurring; The threaded hole that winglet rectangle sides is offered is connected with empennage fixed pin (19) by screw, prevents that winglet and empennage fixed pin (19) from relatively rotating; Half of two empennage connecting pins (18) inserted respectively in the unthreaded hole that two sizes offering on winglet are less, another part inserts in two unthreaded holes that large wing life offers, prevent that winglet and the large wing from relatively rotating, by screw, winglet is locked with the large wing again, prevent that both from relative translation occurring; Power transmission line fixed bar (7) one-level bar part is fixed by the threaded hole of offering on screw and the inner not connected component of empennage support bar (6), in three grades of bars, away from one-level bar part, by screw, is connected with suspension pole (8) plate-like face; The square connecting link of groove stretching out on power transmission line fixed-wing (9) is undertaken hinged by the base of offering on the square straight plate in a set of bolt and nut and suspension pole (8); Power transmission line fixed-wing (9) is offered in screw thread nose end loading test intersegmental part pallet (10), fixing by screw and water hole experimental section lower panel (11); It is upper that experimental section inner tray and outer trays are fixed by screws in water hole experimental section lower panel (11), guarantees that (7) individual hole that power transmission line fixed-wing (9) is offered is positioned in experimental section outer trays to offer rectangular channel during installation; It is upper that long supporting plate (12) is vertically fixed on experimental section outer trays (10) by screw, and short supporting plate (13) is horizontally fixed on long supporting plate (12); Speed reduction unit (14) is arranged on respectively on short supporting plate (13) after fixing by screw with motor (15).
2. a kind of water tunnel test adjustable drive system of underwater sailing body as claimed in claim 1, is characterized in that: on every machine shaft, be wound around two power transmission lines (16), winding direction is contrary, six roots of sensation drive line is through 6 logical size through holes offering on experimental section outer trays rectangular channel, water hole experimental section lower panel, the wing groove of experimental section inner tray and power transmission line fixed-wing (9), wherein two connection suspension poles (8), control the mass motion of sail body model, another four through four long thin sleeves fixing on the through hole of offering on suspension pole (8) and power transmission line fixed bar (7) level Four bar, wherein two through the rectangular channel of offering on two through holes offering on two " L " shape draw-in grooves in empennage support bar (6) and winglet, with for there is the screw of relative translation between fixing winglet and empennage fixed pin (19), be connected, control the motion of empennage, remaining two are passed two through holes offering on empennage support bar (6) end face again, power transmission line fixed pin (17), two through holes that two through holes that cone shell of column (4) end face is offered and kuppe (3) end face are offered, be connected with cavitation device (1), control the motion of cavitation device (1).
3. a kind of water tunnel test adjustable drive system of underwater sailing body as claimed in claim 1, is characterized in that: described empennage connecting pin (18) is standard component pin, two ends cavetto.
4. a kind of water tunnel test adjustable drive system of underwater sailing body as claimed in claim 1, is characterized in that: described power transmission line fixed pin (17) is cylinder type hollow straight-bar.
5. a kind of water tunnel test adjustable drive system of underwater sailing body as claimed in claim 1, is characterized in that: empennage (5) can be also folding wings for the straight wing.
6. a kind of water tunnel test adjustable drive system of underwater sailing body as claimed in claim 1, is characterized in that: described propulsion system comprise stepper motor, speed reduction unit and power transmission line.
7. a kind of water tunnel test adjustable drive system of underwater sailing body as claimed in claim 1, is characterized in that: described power transmission line is flexible steel wire, outside with plastic jacket.
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